def test_straightforward(self):
x, y, z = inputs()
e = mul(add(x, y), div_proxy(x, y))
C = Composite([x, y], [e])
c = C.make_node(x, y)
# print c.c_code(['x', 'y'], ['z'], dict(id = 0))
g = FunctionGraph([x, y], [c.out])
fn = gof.DualLinker().accept(g).make_function()
assert fn(1.0, 2.0) == 1.5
def test_straightforward(self):
x, y, z = inputs()
e = mul(add(x, y), div_proxy(x, y))
C = Composite([x, y], [e])
c = C.make_node(x, y)
# print c.c_code(['x', 'y'], ['z'], dict(id = 0))
g = FunctionGraph([x, y], [c.out])
fn = gof.DualLinker().accept(g).make_function()
assert fn(1.0, 2.0) == 1.5
def test_with_constants(self):
x, y, z = inputs()
e = mul(add(70.0, y), div_proxy(x, y))
C = Composite([x, y], [e])
c = C.make_node(x, y)
assert "70.0" in c.op.c_code(c, 'dummy', ['x', 'y'], ['z'], dict(id=0))
# print c.c_code(['x', 'y'], ['z'], dict(id = 0))
g = FunctionGraph([x, y], [c.out])
fn = gof.DualLinker().accept(g).make_function()
assert fn(1.0, 2.0) == 36.0
def test_with_constants(self):
x, y, z = inputs()
e = mul(add(70.0, y), div_proxy(x, y))
C = Composite([x, y], [e])
c = C.make_node(x, y)
assert "70.0" in c.op.c_code(c, 'dummy', ['x', 'y'], ['z'], dict(id = 0))
# print c.c_code(['x', 'y'], ['z'], dict(id = 0))
g = FunctionGraph([x, y], [c.out])
fn = gof.DualLinker().accept(g).make_function()
assert fn(1.0, 2.0) == 36.0
def test_with_constants(self):
x, y, z = floats("xyz")
e = mul(add(70.0, y), true_div(x, y))
C = Composite([x, y], [e])
c = C.make_node(x, y)
assert "70.0" in c.op.c_code(c, "dummy", ["x", "y"], ["z"], dict(id=0))
# print c.c_code(['x', 'y'], ['z'], dict(id = 0))
g = FunctionGraph([x, y], [c.out])
fn = DualLinker().accept(g).make_function()
assert fn(1.0, 2.0) == 36.0
def test_many_outputs(self):
x, y, z = inputs()
e0 = x + y + z
e1 = x + y * z
e2 = x / y
C = Composite([x, y, z], [e0, e1, e2])
c = C.make_node(x, y, z)
# print c.c_code(['x', 'y', 'z'], ['out0', 'out1', 'out2'], dict(id = 0))
g = FunctionGraph([x, y, z], c.outputs)
fn = gof.DualLinker().accept(g).make_function()
assert fn(1.0, 2.0, 3.0) == [6.0, 7.0, 0.5]
def test_flatten(self):
#Test that we flatten multiple Composite.
x, y, z = inputs()
C = Composite([x, y], [x + y])
CC = Composite([x, y], [C(x * y, y)])
assert not isinstance(CC.outputs[0].owner.op, Composite)
# Test with multiple outputs
CC = Composite([x, y, z], [C(x * y, y), C(x * z, y)])
#We don't flatten that case.
assert isinstance(CC.outputs[0].owner.op, Composite)
def test_many_outputs(self):
x, y, z = inputs()
e0 = x + y + z
e1 = x + y * z
e2 = x / y
C = Composite([x, y, z], [e0, e1, e2])
c = C.make_node(x, y, z)
# print c.c_code(['x', 'y', 'z'], ['out0', 'out1', 'out2'], dict(id = 0))
g = FunctionGraph([x, y, z], c.outputs)
fn = gof.DualLinker().accept(g).make_function()
assert fn(1.0, 2.0, 3.0) == [6.0, 7.0, 0.5]
def test_composite_clone_float32(self):
w = int8()
x = float16()
y = float32()
cz = Composite([x, y], [tanh(x + cast(y, 'float16'))])
c = Composite([w, x, y], [
cz(x, y) - cz(x, y)**2 + cast(x, 'int16') + cast(x, 'float32') +
cast(w, 'float16') - constant(np.float16(1.0))
])
assert has_f16(c)
nc = c.clone_float32()
assert not has_f16(nc)
def test_composite_clone_float32(self):
w = int8()
x = float16()
y = float32()
cz = Composite([x, y], [tanh(x + cast(y, 'float16'))])
c = Composite([w, x, y], [cz(x, y) - cz(x, y)**2 +
cast(x, 'int16') + cast(x, 'float32') +
cast(w, 'float16') -
constant(np.float16(1.0))])
assert has_f16(c)
nc = c.clone_float32()
assert not has_f16(nc)
def test_composite_clone_float32(self):
w = int8()
x = float16()
y = float32()
cz = Composite([x, y], [tanh(x + cast(y, "float16"))])
c = Composite(
[w, x, y],
[
cz(x, y)
- cz(x, y) ** 2
+ cast(x, "int16")
+ cast(x, "float32")
+ cast(w, "float16")
- constant(np.float16(1.0))
],
)
assert has_f16(c)
nc = c.clone_float32()
assert not has_f16(nc)
v = uint8()
w = float16()
x = float16()
y = float16()
z = float16()
c = Composite([v, w, x, y, z], [switch(v, mul(w, x, y), z)])
assert has_f16(c)
nc = c.clone_float32()
assert not has_f16(nc)
def test_composite_clone_float32(self):
def has_f16(comp):
if any(v.type == float16 for v in comp.fgraph.variables):
return True
return False
w = int8()
x = float16()
y = float32()
cz = Composite([x, y], [tanh(x + cast(y, "float16"))])
c = Composite(
[w, x, y],
[
cz(x, y) - cz(x, y)**2 + cast(x, "int16") +
cast(x, "float32") + cast(w, "float16") -
constant(np.float16(1.0))
],
)
assert has_f16(c)
nc = c.clone_float32()
assert not has_f16(nc)
v = uint8()
w = float16()
x = float16()
y = float16()
z = float16()
c = Composite([v, w, x, y, z], [switch(v, mul(w, x, y), z)])
assert has_f16(c)
nc = c.clone_float32()
assert not has_f16(nc)
def test_composite_neg_bool(self):
# Check that taking the negation of a Boolean intermediate value
# works correctly with Python code. It used to be an issue because
# `-numpy.bool_(True)` is False and `-numpy.bool_(False)` is True.
x = floats('x')
y = - (x > 0)
z = Composite([x], [y]).make_node(x).outputs[0]
f = theano.function([x], z, mode=theano.Mode(linker='py'))
for inp, out in zip([-1, 0, 1], [0, 0, -1]):
self.assertTrue(f(inp) == out)
def test_composite_printing(self):
x, y, z = floats('xyz')
e0 = x + y + z
e1 = x + y * z
e2 = x / y
e3 = x // 5
e4 = -x
e5 = x - y
e6 = x ** y + (-z)
e7 = x % 3
C = Composite([x, y, z], [e0, e1, e2, e3, e4, e5, e6, e7])
c = C.make_node(x, y, z)
g = FunctionGraph([x, y, z], c.outputs)
fn = gof.DualLinker().accept(g).make_function()
assert str(g) == ('[*1 -> Composite{((i0 + i1) + i2),'
' (i0 + (i1 * i2)), (i0 / i1), '
'(i0 // Constant{5}), '
'(-i0), (i0 - i1), ((i0 ** i1) + (-i2)),'
' (i0 % Constant{3})}(x, y, z), '
'*1::1, *1::2, *1::3, *1::4, *1::5, *1::6, *1::7]')
def test_composite_printing(self):
x, y, z = floats('xyz')
e0 = x + y + z
e1 = x + y * z
e2 = x / y
e3 = x // 5
e4 = -x
e5 = x - y
e6 = x**y + (-z)
e7 = x % 3
C = Composite([x, y, z], [e0, e1, e2, e3, e4, e5, e6, e7])
c = C.make_node(x, y, z)
g = FunctionGraph([x, y, z], c.outputs)
gof.DualLinker().accept(g).make_function()
assert str(g) == ('[*1 -> Composite{((i0 + i1) + i2),'
' (i0 + (i1 * i2)), (i0 / i1), '
'(i0 // Constant{5}), '
'(-i0), (i0 - i1), ((i0 ** i1) + (-i2)),'
' (i0 % Constant{3})}(x, y, z), '
'*1::1, *1::2, *1::3, *1::4, *1::5, *1::6, *1::7]')